Relief shown by contours. "Compiled in 1980 from best available source materials." "Reprinted by NIMA 00." English and Spanish. "Caution: on this map the top is oriented toward the southeas7. Grid direction X=northing ; Y=easting." "Grid 1,000 meter, local Gauss grid of Colombia, Zone B ..." Includes indexes, boundary diagram, and glossary. "Declassified".